Home / 15,977.45-22,049.04-8,807.64

Finding the Fourth Proportional to 15,977.45, 22,049.04 and 8,807.64

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Solution

The fourth proportional to 15,977.45, 22,049.04 and 8,807.64 is: 12,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.45 : 22,049.04 = 8,807.64 : x
  2. Step 2: Convert to fraction form
    15,977.45/22,049.04 = 8,807.64/x
  3. Step 3: Cross multiply
    15,977.45x = 22,049.04 × 8,807.64
  4. Step 4: Simplify right side
    15,977.45x = 194,199,962.63
  5. Step 5: Solve for x
    x = 194,199,962.63/15,977.45
  6. Step 6: Final answer
    x = 12,154.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.